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Biotechnology

In humans a h...

Question

In humans a hereditary disorder called xeroderma pigmentosum (XP) can result in the inability to repair ultravoilet damage to DNA. Which of the following molecular lesions is most likely to accrue in individual to XP

A

thymine dimers

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B

deamination of cytosine

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C

depurination

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D

single strand DNA breaks

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E

double strand DNA breaks

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Solution

The correct option is A thymine dimers
option A is correct
The molecular session is most likely to accrue in individual to XP

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Q. How many of the following statements are correct?

A. Coding strand is also called a template strand which gets transcribed to RNA.

B. Template strand is considered as a non-coding strand which gets transcribed to RNA.

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D. The template strand of DNA has the same sequences as transcribed RNA.

E. Coding strand (sense strand) has the same sequences as transcribed RNA, except for having uracil in place of RNA’s thymine.

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